josh/jtlc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

more nodes

Browse Source 
git-svn-id: svn://anubis/jtlc/trunk@15 f5bc74b8-7b62-4e90-9214-7121d538519f
This commit is contained in:
josh 2010-01-13 21:13:22 +00:00
parent 7b1893c1e5
commit 9c26b9593c
3 changed files with 39 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
main/jtlc.cc
View File

@ -1,6 +1,7 @@
#include <stdio.h> /* tmpfile() */ #include <stdio.h> /* tmpfile() */
#include <stdlib.h> /* exit() */ #include <stdlib.h> /* exit() */
#include <unistd.h> /* unlink() */
#include <vector> #include <vector>
#include "util/refptr.h" #include "util/refptr.h"
#include "parser/parser.h" #include "parser/parser.h"
@ -42,8 +43,10 @@ int main(int argc, char * argv[])
void compile(const char * filename) void compile(const char * filename)
{ {
FILE * out = tmpfile(); string out_filename = string(filename) + ".c";
FILE * out = fopen(out_filename.c_str(), "w");
refptr<Node> tree = parse(filename); refptr<Node> tree = parse(filename);
tree->process(out); tree->process(out);
fclose(out); fclose(out);
// unlink(out_filename.c_str());
} }

12
nodes/Node.h
View File

@ -33,6 +33,10 @@ class ArrayTypeNode : public Node
{ {
}; };
class AssignExprNode : public Node
{
};
class CStatementNode : public Node class CStatementNode : public Node
{ {
public: public:
@ -66,6 +70,10 @@ class ItemsNode : public Node
{ {
}; };
class LValueNode : public Node
{
};
class PrimitiveTypeNode : public Node class PrimitiveTypeNode : public Node
{ {
public: public:
@ -76,6 +84,10 @@ class ProgramNode : public Node
{ {
}; };
class ReturnStatementNode : public Node
{
};
class StringNode : public Node class StringNode : public Node
{ {
public: public:

30
parser/parser.yy
View File

@ -93,6 +93,7 @@ static YYSTYPE parse_result;
program: program_items { program: program_items {
$$ = new ProgramNode(); $$ = new ProgramNode();
$$->addChildren($1); $$->addChildren($1);
parse_result = $$;
} }
; ;
@ -241,24 +242,39 @@ type: primitive_type {
} }
; ;
statement: expression SEMICOLON statement: expression SEMICOLON {
| return_statement $$ = $1;
}
| return_statement {
$$ = $1;
}
| c_statement { | c_statement {
$$ = $1; $$ = $1;
} }
; ;
return_statement: RETURN expression SEMICOLON return_statement: RETURN expression SEMICOLON {
$$ = new ReturnStatementNode();
$$->addChild($2);
}
; ;
expression: assign_expr expression: assign_expr {
$$ = $1;
}
; ;
assign_expr: lvalue ASSIGN expression assign_expr: lvalue ASSIGN expression {
| lvalue DASSIGN expression $$ = new AssignExprNode();
$$->addChild($1);
$$->addChild($3);
}
; ;
lvalue: IDENTIFIER lvalue: IDENTIFIER {
$$ = new LValueNode();
$$->addChild($1);
}
; ;
c_statement: C LPAREN STRING_LITERAL RPAREN SEMICOLON { c_statement: C LPAREN STRING_LITERAL RPAREN SEMICOLON {